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| author | Ingo Molnar <mingo@elte.hu> | 2009-01-27 17:13:05 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-01-29 14:17:01 +0100 |
| commit | c0b5842a457d44c8788b3fd0c64969be7ef673cd (patch) | |
| tree | 0e8567fee5ab4865b4dc5806d8b59a1dc174834b | |
| parent | 3e5095d15276efd14a45393666b1bb7536bf179f (diff) | |
| download | linux-c0b5842a457d44c8788b3fd0c64969be7ef673cd.tar.gz linux-c0b5842a457d44c8788b3fd0c64969be7ef673cd.tar.bz2 linux-c0b5842a457d44c8788b3fd0c64969be7ef673cd.zip | |
x86: generalize boot_cpu_id
x86/Voyager can boot on non-zero processors. While that can probably
be fixed by properly remapping the physical CPU IDs, keep boot_cpu_id
for now for easier transition - and expand it to all of x86.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | arch/x86/Kconfig | 4 | ||||
| -rw-r--r-- | arch/x86/include/asm/cpu.h | 6 | ||||
| -rw-r--r-- | arch/x86/kernel/setup.c | 14 | ||||
| -rw-r--r-- | arch/x86/kernel/smpboot.c | 12 |
4 files changed, 15 insertions, 21 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 3671506fb8df..f4dd851384db 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -238,10 +238,6 @@ config SMP If you don't know what to do here, say N. -config X86_HAS_BOOT_CPU_ID - def_bool y - depends on X86_VOYAGER - config SPARSE_IRQ bool "Support sparse irq numbering" depends on PCI_MSI || HT_IRQ diff --git a/arch/x86/include/asm/cpu.h b/arch/x86/include/asm/cpu.h index f03b23e32864..b185091bf19c 100644 --- a/arch/x86/include/asm/cpu.h +++ b/arch/x86/include/asm/cpu.h @@ -32,10 +32,6 @@ extern void arch_unregister_cpu(int); DECLARE_PER_CPU(int, cpu_state); -#ifdef CONFIG_X86_HAS_BOOT_CPU_ID -extern unsigned char boot_cpu_id; -#else -#define boot_cpu_id 0 -#endif +extern unsigned int boot_cpu_id; #endif /* _ASM_X86_CPU_H */ diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index eeb180b1d7aa..609e5af60282 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -112,6 +112,20 @@ #define ARCH_SETUP #endif +unsigned int boot_cpu_id __read_mostly; + +#ifdef CONFIG_X86_64 +int default_cpu_present_to_apicid(int mps_cpu) +{ + return __default_cpu_present_to_apicid(mps_cpu); +} + +int default_check_phys_apicid_present(int boot_cpu_physical_apicid) +{ + return __default_check_phys_apicid_present(boot_cpu_physical_apicid); +} +#endif + #ifndef CONFIG_DEBUG_BOOT_PARAMS struct boot_params __initdata boot_params; #else diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index e90b3e50b54f..bc7e220ba0b4 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -905,18 +905,6 @@ do_rest: return boot_error; } -#ifdef CONFIG_X86_64 -int default_cpu_present_to_apicid(int mps_cpu) -{ - return __default_cpu_present_to_apicid(mps_cpu); -} - -int default_check_phys_apicid_present(int boot_cpu_physical_apicid) -{ - return __default_check_phys_apicid_present(boot_cpu_physical_apicid); -} -#endif - int __cpuinit native_cpu_up(unsigned int cpu) { int apicid = apic->cpu_present_to_apicid(cpu); |